#1A3E8A#1A3E8A

#1A3E8A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.134 H 262.7°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E8A
RGB	rgb(26, 62, 138)
HSL	hsl(221, 68%, 32%)
HSV	hsv(221, 81%, 54%)
CMYK	cmyk(81.2%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(28.11, 16.76, -46.00)
CIE-LCH	lch(28.11, 48.96, 290.02°)
OKLab	oklab(38.61% -0.0169 -0.1326)
OKLCH	oklch(38.61% 0.134 262.7)
XYZ	xyz(6.7344, 5.4990, 24.7463)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E8A #8A661A

analogous

#1A768A #1A3E8A #2E1A8A

triadic

#1A3E8A #8A1A3E #3E8A1A

tetradic

#1A3E8A #8A1A76 #8A661A #1A8A2E

square

#1A3E8A #8A1A76 #8A661A #1A8A2E

split-complementary

#1A3E8A #8A2E1A #768A1A

monochromatic

#071023 #102757 #1A3E8A #2455BD #4374DC

Accessibility & contrast

On white

10.00

#1A3E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1A3E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E8A

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E8A	#FFFFFF	#000000	##FFFFFF
##1A3E8A	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01488D

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3e8a;
/* rgb */ color: rgb(26, 62, 138);
/* oklch */ color: oklch(38.6% 0.134 262.7);

Tailwind

colors: {
  custom: {
    50: '#6a72ad',
    500: '#1a3e8a',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e8a;
$custom-light: #6a72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e8a",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 220.714,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38612,
    "c": 0.13369,
    "h": 262.7
  },
  "luminance": 0.055
}

Semantic roles & 50–950 ramp

primary

#1A3E8A

secondary

#BD9643

accent

#B33DEB

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A3E8A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →